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winhelp: Add support for winhelp 3.0 phrases.

oldstable
Kirill K. Smirnov 2007-12-01 18:59:12 +03:00 committed by Alexandre Julliard
parent 1fdd01966c
commit 73e9173e7c
1 changed files with 15 additions and 4 deletions
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19
programs/winhelp/hlpfile.c
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@ -1575,24 +1575,35 @@ static BYTE *HLPFILE_UncompressLZ77(BYTE *ptr, BYTE *end, BYTE *newptr)
*/
static BOOL HLPFILE_UncompressLZ77_Phrases(HLPFILE* hlpfile)
{
UINT i, num, dec_size;
UINT i, num, dec_size, head_size;
BYTE *buf, *end;
if (!HLPFILE_FindSubFile("|Phrases", &buf, &end)) return FALSE;
if (hlpfile->version <= 16)
head_size = 13;
else
head_size = 17;
num = phrases.num = GET_USHORT(buf, 9);
if (buf + 2 * num + 0x13 >= end) {WINE_WARN("1a\n"); return FALSE;};
dec_size = HLPFILE_UncompressedLZ77_Size(buf + 0x13 + 2 * num, end);
if (hlpfile->version <= 16)
dec_size = end - buf - 15 - 2 * num;
else
dec_size = HLPFILE_UncompressedLZ77_Size(buf + 0x13 + 2 * num, end);
phrases.offsets = HeapAlloc(GetProcessHeap(), 0, sizeof(unsigned) * (num + 1));
phrases.buffer = HeapAlloc(GetProcessHeap(), 0, dec_size);
if (!phrases.offsets || !phrases.buffer) return FALSE;
for (i = 0; i <= num; i++)
phrases.offsets[i] = GET_USHORT(buf, 0x11 + 2 * i) - 2 * num - 2;
phrases.offsets[i] = GET_USHORT(buf, head_size + 2 * i) - 2 * num - 2;
HLPFILE_UncompressLZ77(buf + 0x13 + 2 * num, end, (BYTE*)phrases.buffer);
if (hlpfile->version <= 16)
memcpy(phrases.buffer, buf + 15 + 2*num, dec_size);
else
HLPFILE_UncompressLZ77(buf + 0x13 + 2 * num, end, (BYTE*)phrases.buffer);
hlpfile->hasPhrases = TRUE;
return TRUE;